GB499733A - Improvements in metal-vapour electric discharge lamps - Google Patents

Improvements in metal-vapour electric discharge lamps

Info

Publication number
GB499733A
GB499733A GB19917/38A GB1991738A GB499733A GB 499733 A GB499733 A GB 499733A GB 19917/38 A GB19917/38 A GB 19917/38A GB 1991738 A GB1991738 A GB 1991738A GB 499733 A GB499733 A GB 499733A
Authority
GB
United Kingdom
Prior art keywords
metal
electrode
electric discharge
discharge lamps
vapour
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB19917/38A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB499733A publication Critical patent/GB499733A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00Packaging other articles presenting special problems
    • B65B25/06Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/065Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat
    • B65B25/067Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat combined with its conservation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/54Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/545Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB19917/38A 1937-07-07 1938-07-05 Improvements in metal-vapour electric discharge lamps Expired GB499733A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE205007X 1937-07-07

Publications (1)

Publication Number Publication Date
GB499733A true GB499733A (en) 1939-01-27

Family

ID=5784886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19917/38A Expired GB499733A (en) 1937-07-07 1938-07-05 Improvements in metal-vapour electric discharge lamps

Country Status (4)

Country Link
CH (1) CH205007A (enrdf_load_stackoverflow)
FR (1) FR840247A (enrdf_load_stackoverflow)
GB (1) GB499733A (enrdf_load_stackoverflow)
NL (2) NL50591C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CH205007A (de) 1939-05-31
NL50591C (enrdf_load_stackoverflow)
FR840247A (fr) 1939-04-21
NL50951C (enrdf_load_stackoverflow)

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